https://media.cheggcdn.com/media/f7c/f7c627c8-7d7a-470b-858f-a0688716d37d/phpPDi3gh.png

#include <stdio.h>
#include <ctype.h>

int main(int argc, char *argv[]) {

        if(argc <= 1) {
                printf("no arguments given.\n");
        } else {

                int i = 1;
                int lastLower = 0;

                while(i < argc) {
                        int j = 0;

                        while(argv[i][j]) {
                                char c = argv[i][j];

                                if(c <= 'z' && c >= 'a') {
                                        if(lastLower) {
                                                printf("%c", toupper(c));
                                                lastLower = 0;
                                        } else {
                                                printf("%c", c);
                                                lastLower = 1;
                                        }
                                } else {
                                        printf("%c", c);
                                        lastLower = 0;
                                }
                                j++;
                        }

                        if(i < argc) {
                                printf(" ");
                        }
                        i++;
                }
        }
}